org.apache.myfaces.shared_tomahawk.util.ComponentUtils Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.myfaces.shared_tomahawk.util;
import javax.faces.component.NamingContainer;
import javax.faces.component.UIComponent;
/**
*
* @since 1.0.2
*/
public class ComponentUtils
{
/**
* Return the parent NamingContainer of the component passed as argument.
*
* @param component
* @return
*/
public static UIComponent findParentNamingContainer(UIComponent component)
{
return findParentNamingContainer(component, true);
}
/**
* Return the parent NamingContainer of the component passed as argument.
*
* @param component
* @param returnRootIfNotFound
* @return
*/
public static UIComponent findParentNamingContainer(UIComponent component, boolean returnRootIfNotFound)
{
UIComponent parent = component.getParent();
if (returnRootIfNotFound && parent == null)
{
return component;
}
while (parent != null)
{
if (parent instanceof NamingContainer)
{
return parent;
}
if (returnRootIfNotFound)
{
UIComponent nextParent = parent.getParent();
if (nextParent == null)
{
return parent; // Root
}
parent = nextParent;
}
else
{
parent = parent.getParent();
}
}
return null;
}
}